These pupils were ready to stage their production of Return To The Forbidden Planet. Remember this?
We’ve got everything from a boa constrictor to cupcakes, and TV cameras to anti-submarine ships to share with you.
So why not browse through our fond reminders of great Thornhill scenes over the years.
When it came to you school days, what are your memories?
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Were you pictured in this 2003 rehearsal of Grease?
Did you love your time in the classroom or did you loathe them?
Who were the teachers that inspired you and which subjects did you excel at?
Please contact Chris Cordner with your recollections.
Teachers TV came to Thornhill School in 2007. Remember this?
A boa constrictor got the attention of these students in 2005 as they got to meet the type of creature they might be expected to confront on an expedition to Malaysia in 2006.
Here's a scene from 2003 when the 25th annual sponsored walk was held by staff, pupils and friends of Thornhill School. It took a route from Seaburn to South Shields.
Didn't they do well! These Thornhill pupils qualified as football referees in 2006.
Thornhill School pupils before their 2011 prom at the Stadium of Light.
Sunderland footballer Nyron Nosworthy meet pupils from Thornhill in 2005. Were you among them?
Year 11 students released a CD in 2008 to help raise money for Cancer Research. Remember this?
Four schoolboys had their first experience of grand opera in 1975 when they were chosen to play pageboys in the wedding scene of Lucia di Lammermoor at the Empire Theatre.
Meet three star athletes from Thornhill School in 2012.
Enjoying the Thornhill School fete in 1975.
Members of the cast of school's production of We Will Rock You in 2013 - and they are pictured in the new performing arts suite.
Remember when celebrity cook Stacie Stewart came to Thornhill School to officially open the new food department in 2014?
Former SAFC star, Kieron Brady talking to pupils about anti-racism at Thornhill in 2010. Remember this?
Pupils from Lowe House at Thornhill School before their sponsored walk from Seaburn to South Shields in 2010. This was the 32nd year the house has had the sponsored walk.
The boys of Thornhill School in 2014 and they were pictured before their prom.
Students are pictured celebrating their GCSE results in 2011. Recognise them?
Recognise any of these Thornhill rugby players from 2008?
Some of the Year 7 pupils at Thornhill School that had some of their work published in a book titled Mini Marvels in 2010.
Pupils from Thornhill Comprehensive School add the finishing touches to one of three canoes they built at Monkwearmouth College of Education in 1974.
Recognise any of these students at their Thornhill School Prom of 2014?
Coun Barbara McClennan (right) joined pupils from Thornhill School, members of the Bangladeshi community and other residents for a coffee morning event at the Bangladeshi Community Centre in Hendon in 2013. It was part of the World's Biggest Coffee Morning initiative that year..
Thornhill Schoolboys got to visit the anti submarine frigate HMS Russell in 1974. Are you pictured?
Former Thornhill School pupils Ben Forster and Michael Pickering, who were touring the UK in the latest production of Jesus Christ Superstar, returned to their old school in 2012 to talk to students. Here's their audience for a great event.
Thornhill School students created a banner in 2010 but who can tell us more about this occasion?
Thornhill School pupils were pictured taking part in their fun run in aid of Sport Aid in 2008.
Thornhill School students in 1967.
Thornhill School teacher Amer Sheikyh with his rap group, The Word. Remember this from 2011?
These Thornhill School students were taking part in a design contest in 2003. Who remembers how they did?
Who can you recognise in these 1985 Thornhill School VE celebrations?
We would love your memories of these scenes from Thornhill School? Email [email protected] and tell us more.